Oil Companies




Cabot Oil & Gas Corp.

Cabot Oil & Gas Corporation, headquartered in Houston, Texas, is a leading independent North American natural gas producer. The company’s reserves are focused in both conventional and unconventional basins in Appalachia, the Rocky Mountains, the Mid-Continent and the Gulf Coast.


Cairn Energy Plc

Cairn Energy is one of Europe's largest independent oil and gas exploration and production companies.  We are listed on the London Stock Exchange and based in Edinburgh.  Our business is divided into two key units: one focused on developing the Rajasthan resource base in India; the other on exploring frontier basins in Greenland.


Callon Petroleum Co.

Callon Petroleum Company is an independent oil and gas company focused on building reserves and production through efficient operations and low finding and development costs. Since 1950, Callon has operated onshore and offshore in the Gulf Coast region.  The Company’s principal operations are located in the Gulf of Mexico and onshore in the Permian Basin of West Texas and in northern Louisiana.


Calvalley Petroleum

Calvalley Petroleum Inc. is a junior international oil and gas company based in Calgary, Alberta. The Company operates its 50% working interest in Block 9 in the Masila Basin of the Republic of Yemen and 100% working interest in the Gimbi and Metema Blocks in Ethiopia. Calvalley is well-financed and debt-free and expects to maintain a healthy balance sheet by funding its 2009 capital program from cash generated by operating activities. Calvalley's common shares are listed on the Toronto Stock Exchange under the symbol "CVI.A."


Canacol Energy

Canacol Energy Ltd. is a Canadian-based international junior energy company with production and exploration operations located in South America. The Corporation’s operations are focused in Colombia, Brazil, and Guyana, with offices located in Calgary, Bogota and Rio de Janeiro. The mandate of the Corporation is to build a stable operated production platform, and leverage operational expertise to grow through exploration in each of its focus countries. To date, the Corporation has been successful in acquiring producing assets with low risk development upside in Colombia and Brazil, and building a significant portfolio of opportunities that exposes Canacol to a wide range of exploration prospectivity. Canacol is a qualified operator in both Colombia and Brazil, which enables the Corporation to participate as operator in regularly scheduled exploration and marginal field bid rounds, and directly negotiate exploration contracts with government entities.


Canadian Natural Resources Ltd

The combination of our low cost profile and extensive exploitation-based focus on the basins we operate, make us a natural consolidator of properties throughout our core regions. Often counter-cyclical, our major acquisitions have made us a stronger and more diverse company. Most of these major acquisitions were comprised of a strong footing in our core regions but also provided entry into a new strategic basin.


Canadian Spirit

CANADIAN SPIRIT RESOURCES INC. , (“CSRI”) is a natural resources company focusing on the identification and development of opportunities in the unconventional gas sector of the energy industry. The mission of the Corporation is to develop 1 tcf of natural gas from resource plays in western Canada.


Candax Energy Inc.

Candax is a Toronto-based oil and natural gas company engaged in the exploration for, and the acquisition, development and production of, natural gas and crude oil, with emphasis on Africa and the Middle East.


Canext Energy


Carrizo Oil & Gas

Carrizo Oil & Gas, Inc. is a Houston based independent energy company engaged in the exploration, development and production of natural gas and oil.  Our current operations are focused in the Barnett Shale area in North Texas, in the Marcellus Shale of Appalachia, along the onshore Gulf Coast in Texas and Louisiana, and in the U.K. North Sea where two significant Carrizo generated discoveries were made in the 2nd quarter of 2007.


Castex Energy

Castex Energy, Inc. is a privately owned, Houston based oil and gas exploration and production company. The company was formed in 1987 and operates exclusively in South Louisiana.


Celtic Exploration

Celtic Exploration Ltd. is a growth-oriented oil and gas exploration and production company, based in Calgary, Alberta.Since commencing active oil and gas operations in September 2002, the Company has rapidly grown its production base, resulting in record-high revenue and earnings in 2006.


Cenovus Energy

Cenovus Energy is a leading integrated oil company headquartered in Calgary, Alberta. Our operations include our growing enhanced oil projects and established natural gas and crude oil production in Alberta and Saskatchewan. We also have ownership interest in two high-quality refineries in Illinois and Texas.


Centric Energy

Centric Energy Corp. (CTE) is focused on acquiring hydrocarbon assets in areas where the application of new technology and concepts can find new hydrocarbon resources, and optimizing these through strategic partnerships and joint-ventures. Our interest in the longer-term exploration play in an under-explored Mesozoic graben in Mali, provides an exciting portfolio of near and longer-term potential for significant hydrocarbon discoveries and production.



We are an integrated energy company operating predominately in the UK and North America. Upstream we source, generate, process, trade and store energy. Downstream we supply gas and electricity to millions of homes and businesses and offer a distinctive range of home energy solutions and low-carbon products and services.


Century Energy Ltd.

Century Energy Ltd. (CEY: TSX-V) is a junior oil and gas exploration company actively pursuing exploration opportunities in North and South America.



CEPSA has been in the market for almost 80 years. Thanks to its flexibility and ability to adapt, CEPSA has become one of the leading companies in its sector in Spain. Through the progressive internationalisation of its activities, it also has business interests in Algeria, Brazil, Canada, Colombia, Egypt, Panama, Peru and Portugal, and sells its products all over the world.


CGX Energy

CGX Energy Inc. is a Canadian-based oil and gas company focused on exploring for oil in the Guyana-Suriname basin. Our Licences in Guyana cover 9.5 million gross acres, 7.2 million net. In 1996, the founders of CGX began negotiations with the Government of Guyana to acquire an offshore concession to explore for oil. CGX and others view the Guyana-Suriname Basin as attractive for high-risk exploration for hydrocarbons. The United States Geological Survey (USGS) has identified the Guyana-Suriname Basin as having the second highest resource potential after Greenland among unexplored oil basins in the world. The USGS estimates mean recoverable oil reserves of 15.2 billion bbls and gas reserves of 42 trillion cubic ft.


Chalker Energy Partners

Build a successful, oil and gas orientedE&P company through an opportunisticapproach to acquisitions and exploitationin the major basins of Texas.


Chaparral Energy

We seek to grow reserves and production profitably through a balanced mix of developmental drilling, acquisitions, enhancements, EOR projects and a modest number of exploration projects. Further, we strive to control our operations and costs and to minimize commodity price risk through a conservative financial hedging program.


Chariot Oil & Gas Ltd

Chariot Oil and Gas Limited (AIM: CHAR) is an independent oil and gas exploration company with interests in Namibia. Enigma Oil and Gas Exploration (Pty) Limited is a wholly owned subsidiary of Chariot and is the operator of the licence areas.


Chesapeake Energy Corp.

We're one of the largest producers of natural gas and the most active driller of new wells in the U.S.  Headquartered in Oklahoma City, the company's operations are focused on discovering and developing unconventional natural gas and oil fields onshore in the U.S. Chesapeake owns leading positions in the Barnett, Fayetteville, Haynesville, Marcellus and Bossier natural gas shale plays and in the Eagle Ford, Granite Wash and various other unconventional oil plays. The company has also vertically integrated its operations and owns substantial midstream, compression, drilling and oilfield service assets.


Chevron Corp.

At Chevron, our businesses work in concert to provide the energy that drives human progress. Explore Chevron’s companies to learn how we use our global resources, determination and ingenuity to meet today’s complex energy challenges.



Cimarex Energy, Co. (NYSE, XEC) is a Denver-based independent oil and gas exploration and production company with principal operations in the Mid-Continent, Permian Basin and Gulf Coast areas of the U.S. Our business approach is centered on increasing shareholder value through consistent profitable growth in proved reserves and production through our drilling program and optimizing production rates. Year-end 2009 proved reserves totaled 1.5 trillion cubic feet equivalent (77% natural gas and 77% developed).


Cinch Energy Corp.

Cinch Energy Corp.'s mission is to grow both production and reserves on a capital efficient basis through exploration/development and strategic acquisitions. Management's goal is to maximize shareholder value, enhancing both the net asset value and cash flows of the company, while continuing to be a responsible and upstanding corporate citizen.


Cirrus Production

Depuis sa fondation en 1996, Cirrus Communications se donne pour mission de développer et de produire des œuvres télévisuelles et cinématographiques qui se distinguent par leur originalité, leur pouvoir d’attraction et leur capacité d’émouvoir le public.


Clayton Williams Energy

Clayton Williams Energy, Inc. (stock symbol -- CWEI) is an independent exploration and production company that develops and produces oil and natural gas. Clayton W. Williams, who has over 50 years of experience in the energy industry, founded the company.





"To create shareholder value by investing cash flow at rates of return above our cost of capital."


Coastal Energy Company

Coastal Energy Company is an international oil and gas exploration and production company with assets in Thailand. The Company is focused on acquiring discovered, underdeveloped oil and gas opportunities with significant upside potential, primarily in Southeast Asia. The Company also seeks to leverage the experience of management to pursue similar opportunities on a global basis.


Colt Energy Inc.

Colt Energy Inc is a private company categorized under Oil and Gas Exploration and Development and located in Fairway, KS. Current estimates show this company has an annual revenue of $500,000 to $1 million and employs a staff of approximately 5 to 9.


Compton Petroleum Corp.

Compton Petroleum Corporation is a public company actively engaged in the exploration, development and production of natural gas, natural gas liquids, and crude oil in western Canada. Our strategy is focused on creating value for shareholders by providing appropriate investment returns through the effective development and optimization of assets.


Comstock Resources


Concho Resources

We are an independent oil and natural gas company engaged in the acquisition, development and exploration of oil and natural gas properties. Our operations are primarily focused in the Permian Basin of Southeast New Mexico and West Texas. We intend to grow our reserves and production through development drilling and exploration activities on our multi-year project inventory and through acquisitions that meet our strategic and financial objectives.


Connacher Oil&Gas Ltd.


Conoco Phillips

ConocoPhillips uses its pioneering spirit to responsibly deliver energy to the world. This purpose transcends all of ConocoPhillips’ operations. The company conducts its business to return maximum value to shareholders while utilizing a wealth of knowledge and resources from its employees and acting responsibly in all communities in which it operates.


Constellation Energy Partners

Constellation Energy Partners (NYSE Arca: CEP) is a limited liability company focused on the acquisition, development and production of oil and natural gas properties as well as related midstream assets. Approximately 99% of our production is natural gas, which is recovered primarily from coalbed methane.  All of our proved reserves are located in the Black Warrior Basin in Alabama, the Cherokee Basin in Oklahoma and Kansas and the Woodford Shale in the Arkoma Basin in Oklahoma.


Continental Resources

Continental Resources is an independent oil and natural gas exploration and production company with operations in the Rocky Mountain, Mid-Continent and Gulf Coast regions of the United States. We focus our exploration activities in large new or developing plays that provide opportunities to acquire large, undeveloped acreage positions for future drilling operations. We have been successful in targeting unconventional resource plays, such as the Bakken Shale in Montana and North Dakota, where horizontal drilling, advanced fracture stimulation and enhanced recovery technologies facilitate the economic production of oil and natural gas reserves.




Corridor Resources Inc.

Corridor Resources Inc. is a junior resource company engaged in the exploration for petroleum and natural gas onshore in New Brunswick, Prince Edward Island and Québec and offshore in the Gulf of St. Lawrence and the development and production of natural gas in New Brunswick.


Crawford Energy

Crawford Energy is a Houston-based E&P company founded in 1986 by A. Gail Crawford. Our current exploration program is focused in the onshore Texas and Louisiana Gulf Coast areas. Historically, we have worked in North, East, South-Central Texas in addition to the Gulf Coast. As of August 2004, we have successfully completed 30 out of 35 wells drilled by our subsidiary, Crawford Energy Operating Company.


Crescent Point Energy

Since Day 1, Crescent Point has successfully implemented a three-part business strategy to drive shareholder growth in reserves, production and cash flow.



Crescent Petroleum has been operating as a regional upstream oil and gas company in the United Arab Emirates for almost forty years. It began its activities in the early 1970’s and was the first regional, independent, privately-owned Middle Eastern petroleum company to engage in the acquisition, exploration and development of petroleum concessions; and the production and sale of crude oil, petroleum products and natural gas.


Crew Energy Inc.

Crew Energy Inc. is a growth-oriented oil and natural gas producer. Crew's activities are concentrated in central Alberta and northeast British Columbia and focus on the development and expansion of its core natural gas and light oil producing areas and exploration of its large, undeveloped land base. Crew’s experienced management team is committed to the pursuit of sustainable per share growth through a balanced mix of financially responsible exploration and development, complemented by strategic acquisitions.


Crimson Exploration

Crimson Exploration is engaged in the acquisition, exploitation , and exploration of oil and natural gas. Crimson’s assets and activities are concentrated in the onshore producing regions of the U.S., primarily in Texas, Louisiana and Colorado.


Cue Energy Inc.

Cue Energy Resources Limited is an oil and gas exploration and production company with a focus on SE Asia and Australasia. We have petroleum assets in Papua New Guinea, Indonesia, New Zealand and Australia. It is our intention to continue to grow through hydrocarbon exploration and production.


Cygam Energy Inc.

Cygam Energy Inc. is a publicly traded exploration company listed on the TSX Venture Exchange in Canada. The Company has producing oil and gas properties in Canada and extensive international exploration concessions. The main focus of the Corporation is the creation of shareholder value through the acquisition, exploration and development of international permits, primarily in Italy, Tunisia and the Mediterranean area. Cygam currently holds various interests in six exploratory concessions in Italy and four exploratory concessions in Tunisia, encompassing 3.5 million gross acres (over 1.8 million net acres).




Dana Petroleum plc

Dana Petroleum plc is a leading British independent oil company, commited to maximising shareholder value throught the creation and execution of high impact opportunities.


Daylight Energy

Daylight Energy is a growth-oriented intermediate oil and gas company that currently declares dividends to shareholders on a monthly basis. Daylight has proven that it can grow through both acquisitions and through drilling. The company has production of approximately 40,000 barrels of oil equivalent per day and an enterprise value of more than two billion dollars. Daylight is focused on exploiting numerous resource plays on its extensive land base in the Deep Basin of Alberta and north east British Columbia. The company has a balanced mix of crude oil, liquids-rich natural gas and resource play natural gas and has the flexibility to focus our capital investments on the commodity that provides the best economics.


Deethree Exploration

DeeThree Exploration Ltd. ("DeeThree") is a growth-oriented, Calgary-based oil and gas exploration and production company with common shares trading on the TSX Venture Exchange under the symbol "DTX". DeeThree has a team of dedicated and experienced professionals that is largely comprised of members of management from Devlan/Dual Exploration Ltd. and Cequel/Cyries Energy Inc. Our management team is focused on the creation of shareholder value through exploration for crude oil and natural gas reserves in western Canada, complemented with strategic acquisition and development activities.


Delphi Energy Corp.

Delphi Energy is a Calgary-based public junior oil and natural gas company with operations focused in northwestern Alberta and northeast British Columbia. Delphi is well-positioned for organic growth with a large inventory of development opportunities complemented by a high-impact exploration program.


Delta Petroleum

Delta Petroleum Corporation is a Denver, Colorado based independent energy company engaged in the exploration for, and the acquisition, development, and production of natural gas and crude oil. Our core areas of operation include the Gulf Coast and Rocky Mountain regions. We have significant leaseholds in the Columbia River Basin in eastern Washington, which is a prospective frontier resource province. Recently, we have divested of a number of non-core properties in order to increase focus our core areas of development.

Denali Oil & Gas

Denali Oil & Gas was formed in February 2003 with an initial goal of becoming the most cost effective and efficient operator of deep tight gas in the prolific
South Texas region.  Since then, the company has enjoyed great success in South Texas, as well as other domestic basins. In seven years, Denali has discovered or acquired interest in thirty-three oil and gas fields and has drilled seventy-three wells. Sixty-four of the wells were operated by Denali and thirty-two were drilled to depths between 13,000' and 17,500'.  Utilizing a total of $149 million of investor capital, our projects have generated revenues of $340 million.


Derek Oil & Gas Corp.

Derek Oil & Gas Corporation is an oil exploration, development and production company that utilizes enhanced oil recovery ("EOR") techniques to develop new production from reservoirs containing significant quantities of oil. Derek's current focus is on the further development and increasing production from their prime property located in NE Wyoming's Powder River Basin.


Devon Energy


Diaz Resources Ltd.

Diaz is an oil and gas exploration and development company with land holdings and production in Canada and the United States. The Company’s principal business is the exploration for and marketing of natural gas with the majority of the Company’s revenue being generated from gas production in Alberta and Texas. The Company's current focus is on the development of a heavy oil pool near Lloydminster, Alberta, and oil exploration in Alberta and Saskatchewan.


Dominion Petroleum Ltd


Dominion's early entry and its strong local partners have enabled the company to gain a significant acreage holding in Africa. The company has one Production Sharing Agreement offshore Tanzania (Block 7) and three onshore - Mandawa, Kisangire (which includes the Lukuliro licence) and Selous. Dominion also holds a 95% interest in Ugandan Exploration Area 4B in the Albertine Rift Basin, the site of almost thirty recent oil discoveries. In the Democratic Republic of Congo, Dominion has signed a Production Sharing Agreement for Block 5 together with partners Soco International and the State Oil Company although it remains subject to Presidential ratification.


Drillsearch Energy Ltd.

Drillsearch Energy Limited is an ASX-listed oil and gas exploration and production company with over 20 years of petroleum exploration and production experience. Drillsearch is primarily focused on the Cooper / Eromanga Basins, Australia's premier onshore oil and gas basins, which span South West Queensland and the North East of South Australia. Drillsearch is now the largest acreage holder in these basins. Drillsearch has a balanced portfolio of high-impact exploration, development and production interests presenting significant growth potential with oil well drilling and development of the company's significant wet gas discoveries along with the expansion of the company's holdings in key production interests.


Dugan Production


Dune Energy

Dune Energy, Inc. is an independent exploration and development company, with operations focused along the Louisiana/Texas Gulf Coast. Dune operates over 90% of its production and typically maintains a 100% WI.  Proved reserves as of January 1, 2010 totaled 105.5 Bcfe.  Dune will continue to exploit its existing asset base, seek accretive acquisitions, and enter into additional joint venture drilling programs.


Dynamic Offshore

Dynamic Offshore Resources, LLC is a private oil and gas company focused on acquiring and developing producing properties in the Gulf of Mexico.
The company was formed in January 2008 with significant equity contributions from Riverstone Holdings LLC and management. As a well-capitalized private company with an experienced management team, Dynamic Offshore Resources pursues an aggressive growth strategy as a consolidator and developer of producing assets which have been deemphasized by traditional operators. These assets still provide attractive development opportunities. The company is headquartered in Houston, TX.



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